6138664 has 16 divisors (see below), whose sum is σ = 13154400. Its totient is φ = 2630832.

The previous prime is 6138661. The next prime is 6138667. The reversal of 6138664 is 4668316.

It is an interprime number because it is at equal distance from previous prime (6138661) and next prime (6138667).

It is not an unprimeable number, because it can be changed into a prime (6138661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54754 + ... + 54865.

It is an arithmetic number, because the mean of its divisors is an integer number (822150).

Almost surely, 2^6138664 is an apocalyptic number.

It is an amenable number.

6138664 is an abundant number, since it is smaller than the sum of its proper divisors (7015736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6138664 is a wasteful number, since it uses less digits than its factorization.

6138664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109632 (or 109628 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 6138664 is about 2477.6327411463. The cubic root of 6138664 is about 183.1012409235.

The spelling of 6138664 in words is "six million, one hundred thirty-eight thousand, six hundred sixty-four".